What’s the correct answer for this question?

19

Step-by-step explanation:

In the circle with center M, BD is tangent and BA is secant, which are intersecting each other outside of the circle at point B.

BA = BE + EA = 4 + x - 7 = x - 3

Now, by the property of intersecting tangent and secants outside of the circle.

x = 19

Step-by-step explanation:

Using tangent - secant theorem,

(BD)² = (BE)(BA)

(8)² = (4)(4+x-7)

64 = 4(x-3)

64 = 4x - 12

4x = 64+12

4x = 76

Dividing both sides by 4

x = 19

2

step-by-step explanation:

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